• DSA Daily — My Daily Coding Practice

Welcome to my DSA Daily Repository, where I solve one DSA problem every day using C language. This repo helps me build strong logic, consistency, and a solid foundation for Data Structures & Algorithms.

Day	File Name	Problem	Topic	Language	Status
Day 01	day01_two_sum_target.c	Gives two sum indices of target	Arrays / Hashing	C	✅ Completed
Day 02	day02_largestNo.c	Largest Number	Arrays	C	✅ Completed
Day 03	day03_palindrome.c	Palindrome Check	Strings	C	✅ Completed
Day 04	day04_Reverse.c	Reverse String	Strings	C	✅ Completed
Day 05	day05_elemFreq.c	Frequency of Elements	Arrays / Hashing	C	✅ Completed
Day 06	day06_ZeroToEnd.c	Move Zeroes to End	Two Pointers	C	✅ Completed
Day 07	day07_secondLargest.c	Finding the second largest (Longer)	Arrays	C	✅ Completed
Day 08	day08_bubbleSorting.c	Sorting using Bubble Sort	Arrays / Sorting	C	✅ Completed
Day 09	day09_SelectionSorting.c	Sorting using Selection Sort	Arrays / Sorting	C	✅ Completed
Day 10	day10_InsertionSorting.c	Sorting using Insertion Sort	Arrays / Sorting	C	✅ Completed
Day 11	day11_RemoveDuplicate_sorted.c	Remove Sorted Duplicates	Arrays	C	✅ Completed
Day 12	day12_RemoveDuplicate_Unsorted.c	Remove Unsorted Duplicates	Arrays / Sorting	C	✅ Completed
Day 13	day13_secondLargest_shorter.c	Finding the second largest (Shorter)	Arrays	C	✅ Completed
Day 14	day14_LongestCommon_Prefix.c	Finding the Longest Common Prefix	Strings	C	✅ Completed
Day 15	day15_Missing_integer.c	Finding Missing Number between 1 to N	Arrays / Math	C	✅ Completed
Day 16	day16_Binary_Search_Tree.c	Performing BST Operations	Trees / Structs	C	✅ Completed
Day 17	day17_inorder.c	Inorder Traversal (Recursive & Non-Recursive)	Trees / Structs	C	✅ Completed
Day 18	day18_preorder.c	Preorder Traversal (Recursive & Non-Recursive)	Trees / Structs	C	✅ Completed
Day 19	day19_postorder.c	Postorder Traversal (Recursive)	Trees / Structs	C	✅ Completed
Day 20	day20_intersection.c	Intersection of Two Arrays	Arrays / Sorting	C	✅ Completed
Day 21	day21_patterns.c	Star Patterns	Loops	C	✅ Completed
Day 22	day22_NumberPatterns.c	Number Patterns	Loops	C	✅ Completed
Day 23	day23_majority_mooresAlgo.c	Majority Element (Moore’s Algorithm)	DS / Loops	C	✅ Completed
Day 24	day24_Missing_XOR.c	Finding Missing Number using XOR	Math / Loops	C	✅ Completed
Day 25	day25_longest_subarrayPrefix.c	Finds Longest Subarray Prefix	Loops	C	✅ Completed
Day 26	day26_infix_postfix.c	Infix to Postfix Conversion	Functions / DS	C	✅ Completed
Day 27	day27_infix_prefix.c	Infix to Prefix Conversion	Functions / DS	C	✅ Completed
Day 28	day28_anagram.c	Checks Two Strings are Anagram or Not	Strings / Loops	C	✅ Completed
Day 29	day29_valid_paranthesis.c	Checks if Parenthesis are Balanced	Functions / Loops	C	✅ Completed
Day 30	day30_longest_Substring.c	Finds Longest Continuous Substring	Strings / Loops	C	✅ Completed
Day 31	day31_nonRepeating_char.c	Finds First Non-Repeating Character	Strings / Loops	C	✅ Completed
Day 32	day32_nextgreater.c	Finds Next Greater Element	Arrays / Loops	C	✅ Completed
Day 33	day33_subarray_GivenSum.c	Finds Subarray with Given Sum	Arrays / Loops	C	✅ Completed
Day 34	day34_CountSubarray_GivenSum.c	Counts Subarrays with Given Sum	Arrays / Loops	C	✅ Completed
Day 35	day35_rotateMatrix.c	Rotates Matrix by 90 Degrees	Matrix / Functions	C	✅ Completed
Day 36	day36_longestStreak.c	Finds Longest Streak in Array	Arrays / Loops	C	✅ Completed
Day 37	day37_leadersArray.c	Finds Leaders in Array	Arrays / Loops	C	✅ Completed
Day 38	day38_spiralMatrix.c	Prints Matrix in Spiral Order	Matrix / Functions	C	✅ Completed
Day 39	day39_shortest_subarray.c	Finds Shortest Subarray with Sum = K	Arrays / Loops	C	✅ Completed
Day 40	day40_gcd.c	Finds GCD of Two Integers	Math	C	✅ Completed
Day 41	day41_two_sum_target.cpp	Return two numbers whose sum is target -> C++	Array / Loops	C++	✅ Completed
Day 42	day42_largestNo.cpp	Returns Largest number from the array -> C++	Array / Loops	C++	✅ Completed
Day 43	day43_palindrome.cpp	Tells if the Array is palindrome or not -> C++	Array / Loops	C++	✅ Completed
Day 44	day44_reverseArr_str.cpp	Reverses the string and Array -> C++	Array / Strings	C++	✅ Completed
Day 45	day45_elemFreq.cpp	Counts the element frequency -> C++	Array / Loops	C++	✅ Completed
Day 46	day46_ZeroToEnd.cpp	Moves all zeroes to end -> C++	Array / Loops	C++	✅ Completed
Day 47	day47_secondLargest.cpp	Finds the second largest number -> C++	Array / Loops	C++	✅ Completed
Day 48	day48_OOP_Area.cpp	Finds area of Sq, rect, tri, circle -> C++ -> OOP	Class / Functions	C++(OOP)	✅ Completed
Day 49	day49_OOP_StudentInfo.cpp	Takes and Display StudentInfo -> C++ -> OOP	Class / Functions	C++(OOP)	✅ Completed
Day 50	day50_pascalsTriangle.cpp	Prints pascals triangle -> C++	loops / core	C++	✅ Completed
Day 51	day51_MergeSort.cpp	Sorting using Merge Sort -> C++	functions / core	C++	✅ Completed
Day 52	day52_BankSystem_OOP.cpp	Manages Bank system -> C++ -> OOP	functions / class	C++(OOP)	✅ Completed
Day 53	day53_quickSort.cpp	Sorting using Quick Sort -> C++	functions / Sorting	C++	✅ Completed
Day 54	day54_OOP_quickSort.cpp	Sorting using Quick Sort -> C++ --> OOP	functions / Class	C++(OOP)	✅ Completed
Day 55	day55_LinearSearch.cpp	Searching using linear Search -> C++ --> OOP	functions / Class	C++(OOP)	✅ Completed
Day 56	day56_BinarySearch.cpp	Searching using Binary Search (Recursive) -> C++	functions / loops	C++	✅ Completed
Day 57	day57_BinarySearch_NonRec.cpp	Searching using Binary Search (Non-Rec) -> C++	functions / loops	C++	✅ Completed
Day 58	day58_AdjecencyMatrix.cpp	Finds the Adjecency matrix of a graph -> C++	Matrix / loops	C++	✅ Completed
Day 59	day59_knapsack_fractional.cpp	Finds max profit using Knapsack Algorithm -> C++	DS / Functions	C++	✅ Completed
Day 60	day60_knapsack.cpp	Knapsack Algorithm (Sorting Included)-> C++	DS / Functions	C++	✅ Completed
Day 61	day61_primsAlgo.cpp	Prims Algorithm (Sortest path)-> C++	DS / Functions	C++	✅ Completed
Day 62	—	—	—	-	Coming Soon

• Folder Structure

DSA_daily/
├── day01_two_sum_target.c
├── day02_largestNo.c
├── day03_palindrome.c
├── day04_ReverseString.c
├── day05_elemFreq.c
├── day06_ZeroToEnd.c
├── day07_secondLargest.c
├── day08_bubbleSorting.c
├── day09_SelectionSorting.c
├── day10_InsertionSorting.c
├── day11_RemoveDuplicate_sorted.c
├── day12_RemoveDuplicate_Unsorted.c
├── day13_secondLargest_shorter.c
├── day14_LongestCommon_Prefix.c
├── day15_Missing_integer.c
├── day16_Binary_Search_Tree.c
├── day17_inorder.c
├── day18_preorder.c
├── day19_postorder.c
├── day20_intersection.c
├── day21_patterns.c
├── day22_NumberPatterns.c
├── day23_majority_mooresAlgo.c
├── day24_Missing_XOR.c
├── day25_longest_subarrayPrefix.c
├── day26_infix_postfix.c
├── day27_infix_prefix.c
├── day28_anagram.c
├── day29_valid_paranthesis.c
├── day30_longest_Substring.c
├── day31_nonRepeating_char.c
├── day32_nextgreater.c
├── day33_subarray_GivenSum.c
├── day34_CountSubarray_GivenSum.c
├── day35_rotateMatrix.c
├── day36_longestStreak.c
├── day37_leadersArray.c
├── day38_spiralMatrix.c
├── day39_shortest_subarray.c
├── day40_gcd.c
├── day41_two_sum_target.cpp
├── day42_largestNo.cpp
├── day43_palindrome.cpp
├── day44_reverseArr_str.cpp
├── day45_elemFreq.cpp
├── day46_ZeroToEnd.cpp
├── day47_secondLargest.cpp
├── day48_OOP_Area.cpp
├── day49_OOP_StudentInfo.cpp
├── day50_pascalsTriangle.cpp
├── day51_MergeSort.cpp
├── day52_BankSystem_OOP.cpp
├── day53_quickSort.cpp
├── day54_OOP_quickSort.cpp
├── day55_LinearSearch.cpp
├── day56_BinarySearch.cpp
├── day57_BinarySearch_NonRec.cpp
├── day58_AdjecencyMatrix.cpp
├── day59_knapsack_fractional.cpp
├── day60_knapsack.cpp
├── day61_primsAlgo.cpp
└── DSA_Input_Output.txt
└── README.md

• Goals of This Repository

Build daily coding discipline

Strengthen fundamentals of C and C++ (Afterwords)

Understand DSA concepts with real-life analogies

Improve problem-solving patterns

Prepare for placements & competitive programming

• Learning Strategy

✔ Solve one problem every day

✔ Use clean, modular code

✔ Add comments explaining logic

✔ Track progress using tables

✔ Learn DSA concepts with analogies & memory tricks

#Author

Suyash Sachin Barad
📍 Pune, Maharashtra, India
🔗 GitHub | LinkedIn | HackerRank

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